Shackel, R.G. <br/><br/>
A Modern school electricity and magnetism 

 - 9th 
 - London<br/>  Longmans, Green and Co.  1942 
 - 264p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture and related technologies
<br/><br/><label>Dewey Class. No.: </label>630  / SHA